The nature of the two rapidly labelled ribonucleic acid components of animal cells in culture.
D000818:Animals; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D046508:Culture Techniques; D004247:DNA; D004926:Escherichia coli; D010759:Phosphorus Isotopes; D012313:RNA; D012260:Ribonucleases
D002247:Carbon Isotopes; D010759:Phosphorus Isotopes; D012313:RNA; D004247:DNA; D012260:Ribonucleases